Home / 857,872.48-1,184,005.94-476,022.28

Finding the Fourth Proportional to 857,872.48, 1,184,005.94 and 476,022.28

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Solution

The fourth proportional to 857,872.48, 1,184,005.94 and 476,022.28 is: 656,989.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,872.48 : 1,184,005.94 = 476,022.28 : x
  2. Step 2: Convert to fraction form
    857,872.48/1,184,005.94 = 476,022.28/x
  3. Step 3: Cross multiply
    857,872.48x = 1,184,005.94 × 476,022.28
  4. Step 4: Simplify right side
    857,872.48x = 563,613,207,092.34
  5. Step 5: Solve for x
    x = 563,613,207,092.34/857,872.48
  6. Step 6: Final answer
    x = 656,989.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.